All Tools
93 tools available — all run in your browser, nothing sent to a server.
Text Tools
Word & Character Counter
Count words, characters, sentences, and paragraphs in your text instantly.
Case Converter
Convert text between UPPERCASE, lowercase, Title Case, snake_case, kebab-case, camelCase, and more.
Sort Lines
Sort lines of text alphabetically, numerically, or in reverse.
Remove Duplicate Lines
Remove duplicate lines from a block of text, keeping only unique entries.
URL Encoder / Decoder
Encode or decode URL components and query strings instantly in your browser.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings back to plain text.
Markdown Previewer
Write Markdown and see a live rendered preview side by side.
Line Break Remover
Remove or replace line breaks from any block of text instantly.
Remove Empty Lines
Strip blank lines from your text and keep only the lines that have content.
Whitespace Cleaner
Trim, collapse, and strip excess whitespace from any text.
Find & Replace
Find and replace text with support for plain text and regex patterns.
Text Repeater
Repeat any text or string a specified number of times with a custom separator.
Reverse Text
Reverse any string character by character — or flip the order of words.
Reverse Lines
Reverse the order of lines in a block of text.
Slug Generator
Convert any text into a clean URL slug with hyphens or underscores.
HTML Escape / Unescape
Escape special characters to HTML entities or unescape HTML entities back to plain text.
ROT13 Encoder / Decoder
Encode or decode text using the ROT13 cipher. Applying it twice restores the original.
Lorem Ipsum Generator
Generate placeholder lorem ipsum text by paragraphs, sentences, or words. Shuffled output every time.
Data Tools
CSV Viewer
Paste CSV data and view it as a sortable, formatted table instantly in your browser.
CSV Cleaner
Remove empty rows, empty columns, and trim whitespace from CSV data.
JSON Validator
Validate JSON syntax and get detailed stats — type, depth, key count, and array length.
JSON Minifier
Minify JSON by removing all whitespace. Shows bytes saved and compression percentage.
XML Formatter
Prettify or minify XML with configurable indentation and syntax validation.
XML ↔ JSON Converter
Convert between XML and JSON in both directions. Handles attributes, nested elements, and arrays.
YAML ↔ JSON Converter
Convert between YAML and JSON in both directions. Great for config files and CI pipelines.
TSV to CSV
Convert tab-separated values (TSV) to comma-separated values (CSV). Handles quoted fields.
CSV ↔ JSON Converter
Convert between CSV and JSON in both directions. Handles quoted fields, nested commas, and pretty-printing.
JSON Formatter
Prettify or minify JSON with syntax validation.
Image Tools
Image Compressor
Compress JPEG, WebP, and PNG images in your browser. Shows exact file size savings.
PNG to JPG Converter
Convert PNG images to JPG format instantly in your browser. No upload required.
JPG to PNG Converter
Convert JPG images to PNG format with transparency support. Runs entirely in your browser.
WebP Converter
Convert WebP images to JPG or PNG, or convert any image to WebP format.
HEIC to JPG Converter
Convert HEIC/HEIF photos from iPhone to JPG or PNG entirely in your browser.
Image to PDF
Convert one or more images to a PDF document. Supports A4, Letter, or fit-to-image sizing.
PDF to Images
Extract every page of a PDF as a high-resolution PNG image, all in your browser.
Rotate & Flip Image
Rotate images 90°, 180°, or 270° and flip horizontally or vertically. Instant preview.
Add Watermark to Image
Add a custom text watermark to any image. Control position, size, color, and opacity.
EXIF Viewer & Remover
View all EXIF metadata in your photos and download a clean copy with metadata stripped.
Image Color Picker
Upload any image and click to sample color codes. Includes a pixel magnifier and pick history.
Image Cropper
Crop images to any size or aspect ratio in your browser. Supports free-form and preset aspect ratios.
Image Converter
Convert images between formats including HEIC, JPEG, PNG, and WebP — entirely in your browser.
Image Resizer
Resize images client-side without uploading to a server. Supports JPEG, PNG, and WebP output.
SVG Optimizer
Reduce SVG file size by removing comments, metadata, empty attributes, and collapsing whitespace — entirely in your browser.
SVG to PNG Converter
Convert SVG files or code to PNG at any resolution. Paste SVG or drop a file, set output dimensions, and download instantly.
Design Tools
Color Lightener & Darkener
Generate tints and shades of any color. Click any swatch to copy its HEX, RGB, or HSL code.
Color Code Converter
Convert colors between HEX, RGB, RGBA, HSL, HSLA, and CSS named colors instantly.
Tailwind Shade Generator
Generate a full 11-stop Tailwind CSS color scale from any base color. Export as a JS object or CSS variables.
Border Radius Generator
Visually build CSS border-radius values. Control each corner independently, toggle px or %, and copy the ready-to-use shorthand.
CSS Button Generator
Design a custom button with color, padding, font, border, and shadow controls. Get the CSS and HTML output instantly.
CSS Gradient Generator
Build linear, radial, and conic CSS gradients visually. Add color stops, adjust angles, and copy the ready-to-use CSS.
CSS Box Shadow Generator
Generate CSS box shadows with live preview. Stack multiple shadow layers and copy the final box-shadow value.
Color Palette Generator
Generate beautiful color palettes from a base color. Export as CSS variables, Tailwind config, or plain HEX list.
Contrast Checker (WCAG)
Check the contrast ratio between two colors against WCAG AA and AAA accessibility standards.
Web & Dev Tools
JWT Decoder
Paste a JSON Web Token to decode and inspect its header, payload, and expiry — entirely in your browser.
Regex Tester
Test regular expressions against a string with live match highlighting, flag toggles, and a match details table.
Meta Tag Generator
Generate SEO and social meta tags — standard, Open Graph, and Twitter/X Card — and copy the ready-to-paste HTML.
Open Graph Preview
Preview how your page will look when shared on Facebook, LinkedIn, and Twitter/X. No URL fetch needed.
Robots.txt Generator
Build a robots.txt file visually. Add user-agent rules, Allow/Disallow paths, crawl-delay, and sitemap URL.
Sitemap.xml Generator
Create a valid XML sitemap by adding URLs with lastmod, changefreq, and priority. Download or copy the output.
HTML Minifier
Minify HTML by removing comments and collapsing whitespace. Shows exact bytes saved and compression percentage.
CSS Minifier
Minify CSS by stripping comments and collapsing whitespace. Shows bytes saved and compression percentage.
JS Minifier
Minify JavaScript by removing comments and collapsing whitespace. Shows bytes saved and compression ratio.
User Agent Parser
Parse any User-Agent string to extract browser, engine, OS, and device type. Pre-fills with your own browser's UA.
Utility & System Tools
What's My IP
Instantly see your public IP address, location, ISP, and connection info.
Screen Size & Viewport Checker
See your current screen resolution, viewport size, device pixel ratio, and orientation.
Time Zone Converter
Convert a date and time between any two time zones. See the offset difference and local times side by side.
Unix Timestamp Converter
Convert a Unix timestamp to a human-readable date, or convert a date back to a Unix timestamp.
Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between any two dates.
Business Days Calculator
Count the number of working days between two dates, excluding weekends and optional public holidays.
Random Number Generator
Generate one or more random numbers within a custom range. Supports integers and decimals.
UUID Generator
Generate one or more random UUID v4 strings instantly. Copy individually or as a list.
QR Code Generator
Generate a QR code for any URL, text, email, or phone number. Download as PNG or SVG.
QR Code Scanner
Upload an image containing a QR code to decode and read its contents instantly in your browser.
Calculators
Percentage Calculator
Calculate percentages, percentage changes, and what percent one number is of another.
Ratio Calculator
Simplify ratios and solve proportions. Find the missing value in A:B = C:X.
Age Calculator
Calculate your exact age in years, months, and days from your date of birth.
Days Until Date Calculator
Find out how many days, weeks, and months until any future date.
Time Duration Calculator
Add or subtract time durations. Convert hours, minutes, and seconds instantly.
BMI Calculator
Calculate your Body Mass Index using metric or imperial units and see your weight category.
Calorie Needs Calculator
Estimate your daily calorie needs based on age, height, weight, gender, and activity level.
GPA Calculator
Calculate your GPA from course grades and credit hours. Supports letter grades and 4.0 scale.
Pace Calculator
Calculate running pace, speed, or finish time given any two of distance, time, or pace.
Unit Converter
Convert between units of length, weight, and temperature instantly.
Finance
Loan Payment Calculator
Calculate monthly payments, total interest, and full amortization for any loan.
Mortgage Calculator
Estimate your monthly mortgage payment including principal, interest, and an amortization schedule.
Mortgage Overpayment Calculator
See how much interest and time you save by making extra payments on your mortgage.
Compound Interest Calculator
Calculate how your investment grows over time with compound interest and regular contributions.
Savings Growth Calculator
Find out how long it takes to reach a savings goal with regular deposits and compound interest.
Credit Card Interest Calculator
Calculate how long it takes to pay off a credit card balance and how much interest you'll pay.
Inflation Calculator
Calculate the purchasing power of money over time using historical or custom inflation rates.
Hourly ↔ Salary Converter
Convert between hourly rate and annual salary, and see weekly, monthly, and daily equivalents.
Tip Calculator
Calculate the tip and total bill amount, and split the cost among any number of people.
Sales Tax Calculator
Add or remove sales tax from a price, or calculate the tax amount for any rate.